Tankless Water Heater

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Rinnai Tankless Solutions Give You the Power to Live Better

Rinnai Tankless Water Heaters offer you a limitless supply of hot water no matter when you need it. It does not matter if you are needing to perform numerous tasks simultaneously. Additionally, beyond the sheer convenience the Tankless Water Heater provides; it is also energy efficient!

Advanced Water Solutions carries Rinnai Tankless Water Heaters for several good reasons. Rinnai...
  1. is the leading maker of tankless water heaters in the world.
  2. offers nearly endless variety, meaning that our customers can always find the perfect fit for their home.
  3. packs the greatest output in the least space.
  4. provides maximum efficiency...up to 40% savings over traditional water heaters.
  5. offers more installation options for job customization requirements than any other.
  6. features their patented ThermaCirc360 system which delivers hot water every time regardless of plumbing constraints such as found in older homes.
  7. all parts are replaceable, so maintenance is low-cost and easy.
Why Choose a Tankless Water Heater Over Traditional Tanks?

The purpose of a hot water heater is to provide hot water when needed. Traditional systems consist of a tank and heating element. When cold water enters the tank or the water within cools below a preset temperature, the heating element kicks on and raises the water temperature. Simple enough, right?

But the amount of hot water received at any given time depends on a couple of factors.

  • How large is the tank?
  • How many people are using hot water at a given time?

Often, when people are getting ready to go out, one will shower first, then the other...even when there are multiple showers in the home. Also, if someone is doing dishes or laundry, the hot water is often affected and not in a good way. Who just screamed from the bathroom because the water suddenly went cold?

Twin Tankless Water Heater in Guymon, OK

With a good tankless water heater such as those made by Rinnai, such situations are a thing of the past.

Your tankless water heater is designed to rapidly heat water as it is needed, no more and no less.

Traditional water heaters are also woefully inefficient. Even when not in use, the water in the tank cools and the heating element comes alive to heat the water. Then, even if not used then, the water cools. Not only does this waste energy, but even results in a reduction in the life of the unit - gone on vacation for a few weeks? Your traditional water heater will continue to heat water for no one present.

By contrast, a tankless water heater ONLY heats water that is needed. This saves not only money, but also wear and tear on the unit.

Oh, and need an extra shelf in the bathroom? There will be space left over once that bulky tank is removed.


“Prompt professional service! I have no complaints!” -Heidi Behne Furnish

“When buying our house we came across some plumbing issues causing water under the house. Potentially dangerous issues with the hot water heater that even the home inspector didn't find. We called Shawn and he came right over, found the problem and got it all fixed. Very happy with the quality of work and amazing customer service from Shawn and his crew.” - Alison Clemans 

“Great service, very responsive (especially in emergency situations!) and always polite! We love our water system!!” -Davida L Gomez 

“Advanced Water Solutions are the best! They have been taking care of my water system for over 7 years. They recently installed a water softener, RO system, and a tankless water heater in my new home. Quick courteous service. I would highly recommend them!” -Linda Shoemaker 

“Advanced Water Solutions are always very prompt and professional. They always go above and beyond to make sure the job is done right!” -Steve Lehew 

“Great guy, great company! Better than bottled water and it's straight out of my tap! No more hard water stains in my shower!” -Christi Hale

“Shawn and his guys are awesome. Have been using advanced for 7 years. Professional, prompt, courteous and outstanding service. Have had 2 systems set up at 2 different houses and Advanced was awesome. Thanks Advanced Water Solutions!!!!!” -James Langley 

“Noticeable difference in the silkiness and management of my hair. My skin is softer and less dry. My baby had eczema and it seems to be clearing in just the week we’ve had the system.” -Keri Ford

“My dishes have never been cleaner! My soap actually foams now! The purified water tastes great, and I am so thankful to have clean water for my family. The install was quick and easy- Will and Jason were so thorough and kind! Love my softener and purifier!” -Shey Anne Brown 

Business Hours

Monday - Friday 8:00 am - 5:00 pm (closed briefly for lunch)

401 SE 2nd Street, Guymon, OK 73942


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Proudly serving communities within the Oklahoma Panhandle, the Texas Panhandle, and the High Plains including:

And surrounding communities.